TL* THE CONTACT OWNS A 2016 FORD EXPLORER. THE CONTACT STATED THAT THE LIFTGATE RANDOMLY OPENED WITHOUT WARNING AND FAILED TO REMAIN SECURED. THE CONTACT STATED THAT THE LIFTGATE RANDOMLY FELL DOWN WITH FORCE AND STRUCK A PASSENGER. MEDICAL ATTENTION WAS NOT REQUIRED. ALSO, THE LIFTGATE RANDOMLY OPENED WHILE THE VEHICLE WAS IN MOTION. THE LIFTGATE WAS DAMAGED WHILE REVERSING THE VEHICLE. THE DEALER INDICATED THAT THE MANUFACTURER HAD A SERVICE BULLETIN, BUT THERE WAS NO RECOMMENDED REPAIR SOLUTION. THE DEALER DIAGNOSED THAT A NEW MODULATOR WAS NEEDED. THE APPROXIMATE FAILURE MILEAGE WAS 21,500.